Lock Replacement in Covina, CA | Wilshire Lock & Key

What does lock replacement mean, and when is it the right call?

Lock replacement means we take the old hardware off your door and fit new hardware in its place: the knob or lever, the deadbolt, the latch, or all of them. A rekey is different: the lock body stays and we change the internal pins so old keys stop working. Lock repair is different too: we fix a worn part in a lock that is otherwise sound. Much of our phone work is sorting out which of the three your door needs, because replacing a lock that only needed a rekey costs more than it should, and patching a lock that is finished only delays the next call.

People who need to replace a damaged lock or replace a broken lock are the obvious case, but replacement is also right when:

If the lock works fine and your only worry is who holds keys, that is a rekey, and we will say so.

The lock is broken, cracked, or bent, and repair would not hold.
The mechanism is so worn that the key sticks, the bolt drags, or the cylinder spins.
You want a higher-grade deadbolt or a different type of lock, which is a security lock upgrade rather than a fix.
A break-in attempt damaged the lock or the door edge around it.
The hardware is mismatched, outdated, or low-grade and you want a clean new set.

Why do locks wear out and fail in Covina?

Covina summers are hot and dry, with very little marine-layer relief on this eastern side of the San Gabriel Valley. Heat makes wood swell, and older wood doors, especially near downtown, can bind in the frame through the warm months. A binding door stops lining up with its strike plate. People then shoulder it shut or force the key, and over a few summers that bends latches, strips cylinders, and loosens the whole lock set. A failing lock often starts as a door problem, so we check both.

Age matters too. The 1950s and 1960s ranch tracts around the older downtown blocks are now many decades old. If a house from that era still wears its first hardware, that hardware has had every day of use on it: weakened springs, worn finishes, and keys copied from copies that no longer cut true.

Signs it is time to replace instead of nursing the lock along:

The key goes in hard or needs jiggling.
The handle or knob wobbles or sags.
The bolt will not throw fully into the frame unless you lift or push the door.
The door only locks when you lean on it in summer.
You have no idea how many copies of the key exist.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

How does a lock replacement go, step by step?

Details change with the door, but the order stays the same.

You call (213) 577-1366, any hour, and tell us what the door is doing and what kind of lock you have now.
A mobile van comes to your address in Covina. Our storefront is in Westwood, so the van is the shop that comes to you.
We inspect the lock and the door together: bore holes, door thickness, edge condition, strike plate, and frame. This is where we find out whether the lock is the real problem.
We go over the options in plain terms and tell you the cost before anything comes off the door.
We remove the old hardware, fit the new lock, set the strike, and confirm the bolt throws fully into the frame. If the door needs a small fix to carry the new lock, such as filling an old bore or easing the edge, we do that as part of the job.
We test the lock with the door open and closed, hand over the keys, cut extras if you want them, and take the old parts with us.

What affects the cost of lock replacement in Covina?

We do not put numbers on a web page, because the honest answer depends on your door. These are the factors that move the cost:

If you want the lighter-cost option, say so at the start. Often that means a solid mid-grade lock instead of a premium one, or replacing only the lock that failed rather than every door. We will tell you where saving money makes sense and where it does not, such as the strike plate and screws on a front door deadbolt, which are not worth skimping on.

Type and grade of hardware: a standard knob set, a heavier deadbolt, a high-security cylinder, and an electronic lock sit in very different places.
The number of locks, and whether you want them all keyed alike.
Door condition: a sound door is a simple swap, while a warped, split, or badly drilled door needs extra work first.
Older or odd hardware, such as mortise locks on early-20th-century doors, which take more care and sometimes special parts.
Residential versus commercial hardware, since business doors usually need heavier, more specialized locks.
Extra keys and any restricted keyways.
Time of day and distance: Covina is about 32 miles from our Westwood base, and after-hours calls differ from scheduled daytime work.

What does front door, house, and apartment lock replacement involve?

On a front door lock replacement, we look at the whole entry: the knob or lever, the deadbolt, the strike plates, and the door edge. A new deadbolt is only as strong as the screws holding its strike plate, so we normally fit a reinforced strike with long screws that reach the framing. If your door has only a knob and you want a separate bolt, that is a related job, handled under deadbolt installation.

For house lock replacement or wider residential lock replacement across several doors, the main decision is whether to key everything alike. Most homeowners like one key for the front, back, and garage entry door, and we can set the new locks up that way. Side doors that other people use can stay on a separate key.

A smart lock is another replacement option. It brings trade-offs: batteries, a keypad or app, and a door that must be well aligned. A conventional high-grade deadbolt remains a perfectly good security lock upgrade, and we will say which suits your door.

Apartment lock replacement adds a question of who owns the lock. If you rent, check your lease and speak with your landlord or property manager first, since they usually control the hardware and need access. If you manage units, see our locksmith service for landlords.

If a key snapped off in the lock, the first step is broken key extraction, after which we decide whether the lock can stay. If you are locked out because the hardware failed, start with our emergency locksmith service: we get you in, then replace what broke.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

How is business lock replacement different from a house?

Commercial lock replacement is its own kind of work. Doors are heavier and used far more, the hardware is often a commercial-grade lock or a mortise lock, and the door may also carry a closer or an exit device. Business lock replacement is usually triggered by constant-use wear, by a former employee who still has a key, or by damage from a break-in attempt.

A business security upgrade is broader. It might mean a higher-grade lock body, a restricted keyway so copies are harder to get made, or a key plan where the owner, manager, and staff each carry the right level of access. Panic bars, closers, and similar items are separate work, covered under commercial door hardware.

For a Citrus Avenue storefront or restaurant, we plan the work around your hours so the door is secured before we leave.

What does lock replacement look like around Covina?

We cover the city and the adjacent unincorporated pockets with Covina addresses, including ZIP codes 91722, 91723, and 91724. Our storefront is at 10740 Wilshire Blvd in Westwood, about 32 miles away, so Covina jobs run from a mobile van. Here is how the work tends to differ by area:

Picture a century-old front door near downtown that swells every August, with a worn knob set and an owner who wants better security without ruining the door. The answer is usually a deadbolt or mortise set sized to the existing bore, a strike adjusted with room to spare for the seasonal swelling, and sometimes a light touch to the door edge so the new lock does not inherit the old binding.

Downtown Covina (Citrus Avenue district): Craftsman-era and early-20th-century homes survive here, often with solid wood doors and older bores. Hardware upgrades on these doors take care, since we want better security without gouging old wood. Storefronts and restaurants on Citrus Avenue call for business lock replacement too.
Covina Hills: larger, semi-rural lots, many with gated driveways. House lock replacement here often covers several exterior doors at once, such as front, side, back, and garage entry. Gate hardware is separate work.
Arrow Highway and Azusa Avenue: apartment complexes line Arrow Highway and parts of Azusa Avenue, so apartment lock replacement means unit entry doors, usually coordinated with the property manager.
Charter Oak and the Badillo Street corridor: the same approach for homes and businesses in the Charter Oak area and along Badillo Street.

Why call Wilshire Lock & Key for a lock replacement?

Here is what you get when you call us:

California requires locksmith companies to hold a BSIS LCO license. Before anyone touches your door, ask for the license number and check it with BSIS. That is sound advice whoever you call, and it is a good filter against quotes that sound low on the phone and climb once someone is on your porch.

In business since 1987, serving 140 cities across Los Angeles and Ventura counties.
A real storefront at 10740 Wilshire Blvd in Westwood, plus mobile vans that come to you.
One company from the phone call to the finished door, with no dispatch middlemen passing your job to a stranger.
David, the owner and lead technician, oversees the work.
Phones answered 24 hours a day, 7 days a week, all year, at (213) 577-1366.

Frequently asked questions

How do I know if I need a lock replaced or just rekeyed?

If the lock turns smoothly, is not damaged, and your worry is who holds keys, a rekey is usually the more economical route. If the lock is broken, badly worn, or you want better hardware, replace it. We check at the door and tell you honestly which one applies.

Can you replace my front door lock in one visit?

Usually, yes. Our vans carry common residential hardware, and most front door swaps finish in a single visit. Specialty, antique, or high-security hardware may need to be sourced, and we will tell you that on the phone.

Will a new lock fit my old Covina door?

Most standard doors take modern hardware without trouble. Older wood doors near downtown can have unusual bores, mortise pockets, or seasonal swelling, which we handle by choosing hardware sized to the door or making a small adjustment. Describe the current lock and the age of the door when you call.

How much does lock replacement cost in Covina?

It depends on the hardware grade, how many locks you need, the condition of the door, whether the job is residential or commercial, and the time of day. We tell you the cost before work starts, and we can suggest a lighter-cost option if you want one.

Do you replace locks on apartments and rentals?

Yes. Tenants should check their lease and tell the landlord first, because the landlord often owns the hardware and needs access. Property managers can call us for a single unit or several doors.

Do you handle business lock replacement?

Yes, for storefronts, restaurants, and offices. That includes worn locks, locks that need changing after a staff departure, and a wider business security upgrade. We schedule the work around your opening hours.

Are you available at night and on weekends?

Yes. The phone at (213) 577-1366 is answered 24 hours a day, 7 days a week, all year. If the replacement is not urgent, scheduling it for daytime is often simpler, but the choice is yours.

Why does my door stick in the summer, and will a new lock fix it?

Heat swells wood doors, and Covina summers are hot and dry. A new lock will not cure a swollen door by itself, but we can adjust the strike plate and, if needed, ease the door edge so the new lock works without strain.

More locksmith help in Covina

Lock Replacement near Covina

Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.

Last updated 2026-10-11.